RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

drop legacy save support

Browse source 
the format has been changed like 10 years ago
This commit is contained in:
notaz 2017-10-06 01:34:24 +03:00
parent 4aedc59300
commit e64886365d
2 changed files with 7 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

61
pico/state.c
View file

@ -78,54 +78,6 @@ static void *open_save_file(const char *fname, int is_save)
return afile;
}
// legacy savestate loading
#define SCANP(f, x) areaRead(&Pico.x, sizeof(Pico.x), 1, f)
static int state_load_legacy(void *file)
{
unsigned char head[32];
unsigned char cpu[0x60];
unsigned char cpu_z80[Z80_STATE_SIZE];
void *ym2612_regs;
int ok;
memset(&cpu,0,sizeof(cpu));
memset(&cpu_z80,0,sizeof(cpu_z80));
memset(head, 0, sizeof(head));
areaRead(head, sizeof(head), 1, file);
if (strcmp((char *)head, "Pico") != 0)
return -1;
elprintf(EL_STATUS, "legacy savestate");
// Scan all the memory areas:
SCANP(file, ram);
SCANP(file, vram);
SCANP(file, zram);
SCANP(file, cram);
SCANP(file, vsram);
// Pack, scan and unpack the cpu data:
areaRead(cpu, sizeof(cpu), 1, file);
SekUnpackCpu(cpu, 0);
SCANP(file, m);
SCANP(file, video);
ok = areaRead(cpu_z80, sizeof(cpu_z80), 1, file) == sizeof(cpu_z80);
// do not unpack if we fail to load z80 state
if (!ok) z80_reset();
else z80_unpack(cpu_z80);
ym2612_regs = YM2612GetRegs();
areaRead(sn76496_regs, 28*4, 1, file);
areaRead(ym2612_regs, 0x200+4, 1, file);
ym2612_unpack_state();
return 0;
}
// ---------------------------------------------------------------------------
typedef enum {
@ -610,6 +562,9 @@ readend:
pcd_state_loaded();
}
Pico.m.dirtyPal = 1;
Pico.video.status &= ~(SR_VB | SR_F);
retval = 0;
out:
@ -679,16 +634,8 @@ static int pico_state_internal(void *afile, int is_save)
if (is_save)
ret = state_save(afile);
else {
else
ret = state_load(afile);
if (ret != 0) {
areaSeek(afile, 0, SEEK_SET);
ret = state_load_legacy(afile);
}
Pico.m.dirtyPal = 1;
Pico.video.status &= ~(SR_VB | SR_F);
}
return ret;
}

35
pico/z80if.c
View file

@ -119,29 +119,6 @@ void z80_reset(void)
#endif
}
/* save state stuff */
static int z80_unpack_legacy(const void *data)
{
#if defined(_USE_DRZ80)
if (*(int *)data == 0x015A7244) { // "DrZ" v1 save?
u32 pc, sp;
memcpy(&drZ80, data+4, 0x54);
pc = (drZ80.Z80PC - drZ80.Z80PC_BASE) & 0xffff;
sp = (drZ80.Z80SP - drZ80.Z80SP_BASE) & 0xffff;
// update bases
drz80_load_pcsp(pc, sp);
return 0;
}
#elif defined(_USE_CZ80)
if (*(int *)data == 0x00007a43) { // "Cz" save?
memcpy(&CZ80, data+8, offsetof(cz80_struc, BasePC));
Cz80_Set_Reg(&CZ80, CZ80_PC, *(int *)(data+4));
return 0;
}
#endif
return -1;
}
struct z80sr_main {
u8 a, f;
u8 b, c;
@ -226,9 +203,7 @@ int z80_unpack(const void *data)
{
const struct z80_state *s = data;
if (strcmp(s->magic, "Z80") != 0) {
if (z80_unpack_legacy(data) != 0)
goto fail;
elprintf(EL_STATUS, "legacy z80 state");
elprintf(EL_STATUS, "legacy z80 state - ignored");
return 0;
}
@ -278,13 +253,9 @@ int z80_unpack(const void *data)
Cz80_Set_Reg(&CZ80, CZ80_IRQ, s->irq_pending ? HOLD_LINE : CLEAR_LINE);
return 0;
}
#else
return 0;
#endif
fail:
elprintf(EL_STATUS|EL_ANOMALY, "z80_unpack failed");
z80_reset();
z80_int();
return -1;
}
void z80_exit(void)